I figured out what was making it fail, and it was very simple. broadcastid was supposed to be broadcast_id and I didn’t notice until now. Thanks for the heads up about messing with Twitch’s login, and thank you for your help! 
I figured out what was making it fail, and it was very simple. broadcastid was supposed to be broadcast_id and I didn’t notice until now. Thanks for the heads up about messing with Twitch’s login, and thank you for your help!